A-AS Level (CIE) Psychology: Specimen Questions with Answers 155 - 157 of 299

Question 155

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Brief about agonists, antagonists and inverse agonists (Marks 6)

Explanation

Functions of agonists, antagonists and inverse agonists are as follows

  • Agonists- Effectively increase the activity of a neurotransmitter by mimicking its effects
  • Antagonists- Effectively decrease or block the neurotransmitter
  • Inverse agonists-Produce effects opposite to those produced by the neurotransmitter

Question 156

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Define the following aphasia

  • Global aphasia (Mark 2)
  • Anomic aphasia (Mark 2)

Explanation

Global aphasia- Combination of highly impaired comprehension and production of speech.

It is caused by both Broca՚s area and Wernicke՚s area

Anomic aphasia-Involves difficulties in naming objects and retrieving words. The patient may look at an object and simply by unable to receive the word that corresponds to the object

Sometimes specific categories of the things cannot be recalled, such as names of living things.

Question 157

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Brief about prevalence of mood disorders (Marks 4)

Explanation

Prevalence of Mood disorders are as follows

  • Mood disorders in children are fundamentally similar to mood disorders in adults
  • Symptoms of depression are increasing dramatically in our elderly population
  • Experience of anxiety across cultures varies and it is difficult to make comparisons-especially, for example, when we attempt to compare subjective feelings of comparison

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